<?php
  require_once("conn.php");
  header("Content-type:text/html;charset=utf-8");
  $tid = $_POST["tid"];
  $sid = "";
  $query = mysql_query("select sid from xh_title where id=".$tid,$conn);
  if($row=mysql_fetch_array($query)){
	  $sid = $row["sid"];
  }
  mysql_free_result($query);
  $uploadDir = "xh_upload/".$sid."/".$tid;
  if(!is_dir($uploadDir)){
	  @mkdir($uploadDir,0777,true);
  }
  $type=array("jpg","gif","png","bmp","jpeg");
  $filename=$_FILES["ImgFile"]["name"];
  $fileExt=trim(substr($filename,strrpos($filename,".")+1));  
  if(!in_array(strtolower($fileExt),$type)){
	  $text = implode(",",$type);
	  mysql_close($conn);
	  die("<script>parent.document.getElementById('error').innerHTML='只能上传此类型文件:".$text."';history.back(1);</script>");
  }
  $newFileName=$uploadDir."/".date("YmdHis").$filename;
  if(move_uploaded_file($_FILES["ImgFile"]["tmp_name"],$newFileName)){
	  mysql_close($conn);
	  die("<script>parent.document.getElementById('error').innerHTML='文件上传成功!';parent.form1.imgurl.value='".$newFileName."';history.back(1);</script>");
  }else{
	  mysql_close($conn);
	  die("<script>parent.document.getElementById('error').innerHTML='文件上传失败!';history.back(1);</script>");
  }  
  mysql_close($conn);
?>